Essex Electro Engineers · Electronic Components
A645-1054
Relay, Electromagnetic
Part NumberA645-1054
ManufacturerEssex Electro Engineers
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-058-1566 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Load Current Rating A25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD
Duty TypeCONTINUOUS
Operating Voltage Rating And Type120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Slot Width0.190 INCHES NOMINAL SINGLE MOUNTING FACILITY
Winding Quantity1
Overall Width2.516 INCHES NOMINAL
Nonpile Up Auxiliary Contact Arran2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Ratin600.0 AC AND 120.0 DC
Coil Quantity1
Mounting Facility Type And Quantit2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Overall Height3.250 INCHES NOMINAL
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is A645-1054 available?
We can source A645-1054 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is A645-1054 by Essex Electro Engineers obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A645-1054 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like A645-1054?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for A645-1054?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.